【正文】 12．C【詳解】句意：別緊張！這個大實驗分為幾個部分。根據(jù)句意“Don’t discuss the problem with your partner”可知，這里是建議不要和同伴討論這個問題，由此可知unless從句中的主語“you”和ask是被動關(guān)系，即“你被要求去討論”，應用被動語態(tài)?？疾橐话悻F(xiàn)在時的被動語態(tài)。ask問，要求，是一個動詞。11．B【詳解】句意：除非對方要求，否則不要和他討論這個問題。is built一般現(xiàn)在時的被動語態(tài)；builds第三人稱單數(shù)；will build一般將來時態(tài)；will be built一般將來時的被動語態(tài)?！较轮芡旯ぃú趴梢裕??？疾橐话悻F(xiàn)在時的被動語態(tài)。10．A【詳解】句意：——對不起，先生，我們什么時候能在高速公路上開車?“some instructions”和“pay attention to”屬于被動關(guān)系，所以第一個空用“should be paid attention to”結(jié)構(gòu)，所以排除A、B；had better not do/be意為“最好不做某事”；against“反對”，介詞，所以第二個空用動詞短語be against “反對”?！皊ome instructions”和“pay attention to解析：D【詳解】句意：當你參觀博物館時，應該注意一些說明，我們最好不違反它們。9．D【詳解】句意：當你參觀博物館時，應該注意一些說明，我們最好不違反它們。它每天傍晚老年人在樓下跳廣場舞時都會被播放?？疾橐话悻F(xiàn)在時態(tài)的被動語態(tài)，故選B。8．B【詳解】—你聽過流行歌曲《小蘋果》嗎？ —是的。根據(jù)英語語法，as soon as引導時間狀語從句時，主句用一般過去時，從句用一般過去時或過去完成時。A. are raised表一般現(xiàn)在時被動語態(tài)；B. were raised表一般過去時被動語態(tài)；C. raised表一般過去時；D. have raised表現(xiàn)在完成時。A. are raised表一般現(xiàn)在時被動語態(tài)；B. were raised表一般過去時被動語態(tài)；C解析：B【詳解】句意：書一被籌集好，志愿者們就給希望小學的學生們寄去了。7．B【詳解】句意：書一被籌集好，志愿者們就給希望小學的學生們寄去了?？疾楸粍诱Z態(tài)?？疾楸粍诱Z態(tài)。故選A。put動詞，put on穿上，上映?？疾楸粍诱Z態(tài)。考查被動語態(tài)。故選C?？疾橐话銓頃r的被動語態(tài)?？疾橐话銓頃r的被動語態(tài)。discover符合題意，故選B。invented動詞，發(fā)明；discovered動詞，發(fā)現(xiàn)；created動詞，創(chuàng)造；produced動詞，生產(chǎn)?？疾閯釉~。本句時態(tài)為一般過去式，主語為Penicililn，故用被動語態(tài)，動詞用過去分詞。3．B【詳解】句意：青霉素最早是在二十世紀初被弗萊明發(fā)現(xiàn)的。”設空處所在的句子是when引導的時間狀語從句，且主句用了一般將來時，根據(jù)“主將從現(xiàn)”的原則，從句用一般現(xiàn)在時，主語是動作的承受者， 所以用被動語態(tài)，一般現(xiàn)在時被動語態(tài)的構(gòu)成是：主語+am/is/are+動詞的過去分詞。他每天花兩個小時開車上下班。repairs一般現(xiàn)在時態(tài)的主語第三人稱單數(shù)形式；is repaired一般現(xiàn)在時態(tài)的主語第三人稱單數(shù)形式的被動語態(tài)；will repair一般將來時態(tài)形式；will be repaired一般將來時態(tài)的被動語態(tài)?！聜€月修路好后對他來說會容易些。repairs一般現(xiàn)在時態(tài)的主語第三人稱單數(shù)形式；is rep解析：B【詳解】句意：——我父親的辦公室在城東?！聜€月修路好后對他來說會容易些。2．B【詳解】句意：——我父親的辦公室在城東。—哦，天哪，我還沒完成它呢，但是我原以為他明天回公司呢?！叮炷?，我還沒完成它呢，但是我原以為他明天回公司呢。 allow D．unless。 are allowed B．unless。re sure that the environment in our city ______ greatly through our work in the near future.A．improved B．was improved C．has improved D．will be improved30．When waste from daily life ________, people won’t mix some resources with wet waste.A．separated B．is separated C．separates D．will be separated31．—My father works in Shanghai. It takes him much time to go home every month.—Don’t worry. It’ll be easier and quicker after Taizhou HighSpeed Rail Station _______.A．builds B．is built C．will build D．will be built32．—If you ________ another chance next time, can you do it better, Jack?—That’s for sure. Trust me!A．give B．will give C．a(chǎn)re given D．will be given33．YanchengXuzhou highspeed railway ________ in 2019. Now it brings much convenience to people.A．finishes B．finished C．is finished D．was finished34．When the new city square ________ next year, it will be a good place for people to relax.A．will be finished B．is finishing C．was finished D．is finished35．The 2nd Games of Qinhuai District ________ on March 28, 2021 to make more people realize the importance of health.A．held B．has held C．is held D．was held36．A number of volunteers ____________ for the 2022 Beijing Winter Olympic Games.A．will be needed B．were needed C．a(chǎn)re needing D．will be needing37．The 24th Winter Olympic Games ________ in Beijing on February 2, 2022.A．is held B．will be held C．was held D．a(chǎn)re hold38．Don39。t it? — Yes, but now it ________all over the world.A．plays B．is played C．is playing D．has played14．Last March, thousands of trees ______ along the street to make our city more beautiful.A．were planted B．were planting C．would plant D．planted15．A display of music and fireworks ______at the 3rd Yangzhou International Lighting Festival on July 20, 2018.A．was held B．were held C．has held D．will be held16．Chinese __________by more and more people in the world now.A．speak B．spoke C．is spoken D．was spoken17．—I saw several boxes of books at the gate of our school just now.—They ________ to children in poor areas.A．were sent B．a(chǎn)re sent C．will be sent D．